Home / 10,961.40-16,443.72-4,035.36

Finding the Fourth Proportional to 10,961.40, 16,443.72 and 4,035.36

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Solution

The fourth proportional to 10,961.40, 16,443.72 and 4,035.36 is: 6,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.40 : 16,443.72 = 4,035.36 : x
  2. Step 2: Convert to fraction form
    10,961.40/16,443.72 = 4,035.36/x
  3. Step 3: Cross multiply
    10,961.40x = 16,443.72 × 4,035.36
  4. Step 4: Simplify right side
    10,961.40x = 66,356,329.94
  5. Step 5: Solve for x
    x = 66,356,329.94/10,961.40
  6. Step 6: Final answer
    x = 6,053.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.